Interference Standard 1 Back Catalog number: 52039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94519 EPA Method 551.1 Standard Price on request 12122.18-100MG Ofloxacin,neat,neat,100mg, Price on request 3930.37-10MG alpha- and ß- Amyrine benzoate, Mixture, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 4660-99-5/3607-93-0 Price on request